chr	start	strand	coverage	freqC	freqT
chr21	9826907	+	96	18.75	81.25
chr21	9853326	+	16	87.50	12.50
chr21	9853296	+	18	88.89	11.11
chr21	9860126	+	83	100.00	0.00
chr21	9906663	-	14	92.86	7.14
chr21	9906677	-	14	78.57	21.43